var popupwin = null;

	function pop(url, attr)
		{
		popupwin = window.open (url, '', 'location=no,toolbar=no,directories=no,menubar=no,resizable=no,scrollbars=yes,status=yes, width=480, height=400');
		setTimeout('winfocus(popupwin);', 100)
		}

	function winfocus(wh)
		{
		if(wh)
			wh.focus();
		}